How do you find the slope of Y= -2|x-4|?

$s l o p e$ $= - 2$
$y = - 2 | x - 4 | = - 2 x + 8$
It is in the standard form of $y = \max + c$ where m is the slope and c the y-intercept.
$\therefore s l o p e$ $m = - 2$